12100220311222 has 16 divisors (see below), whose sum is σ = 19664927129232. Its totient is φ = 5561797570560.

The previous prime is 12100220311181. The next prime is 12100220311237. The reversal of 12100220311222 is 22211302200121.

It is a self number, because there is not a number n which added to its sum of digits gives 12100220311222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4138240779 + ... + 4138243702.

It is an arithmetic number, because the mean of its divisors is an integer number (1229057945577).

Almost surely, 2^{12100220311222} is an apocalyptic number.

12100220311222 is a deficient number, since it is larger than the sum of its proper divisors (7564706818010).

12100220311222 is a wasteful number, since it uses less digits than its factorization.

12100220311222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8276484543.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 12100220311222 its reverse (22211302200121), we get a palindrome (34311522511343).

The spelling of 12100220311222 in words is "twelve trillion, one hundred billion, two hundred twenty million, three hundred eleven thousand, two hundred twenty-two".